1273 questions and answers in this section
Explain why do icebergs appear blue?

Explain why do icebergs appear blue?

The ice of icebergs is mainly composed of water in solid form. At the molecular level, water crystallizes by forming a hexagonal structure, which gives...

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Explain why sand dunes have such a perfect shape?

Explain why sand dunes have such a perfect shape?

Sand dunes are formed thanks to a complex process involving wind, sand, and natural obstacles. It all starts with the birth of sand particles, usually...

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Explain why some roses have blue petals naturally.

Explain why some roses have blue petals naturally.

The colors of roses are mainly due to natural pigments present in the petals. The main pigments responsible for the color of roses are anthocyanins. Anthocyanins are...

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Explain why the Potomac River influenced the location of Washington D.C. ?

Explain why the Potomac River influenced the location of Washington D.C. ?

The Potomac River is one of the main rivers in the United States, spanning approximately 640 kilometers through the states of Virginia, West Virginia, Maryland, and Washington...

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Explain why mangroves are ecosystems so crucial for the oceans?

Explain why mangroves are ecosystems so crucial for the oceans?

Mangroves are true marine nurseries, harboring an astonishing biodiversity. Fish, crabs, and shrimp take shelter there to grow quietly before heading out to the open...

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Explain why do polar ice caps play a crucial role in regulating the Earth's climate?

Explain why do polar ice caps play a crucial role in regulating the Earth's climate?

Ice caps are like giant mirrors. They reflect a large portion of sunlight, about 80%. This is called albedo. Less light is absorbed by the...

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Explain why do some volcanoes erupt pyroclastic flows while others produce lava flows?

Explain why do some volcanoes erupt pyroclastic flows while others produce lava flows?

The composition of lava varies depending on the type of volcano. Volcanoes that produce pyroclastic flows have lava rich in silica. This siliceous composition increases...

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Explain why the weather can be unpredictable at times?

Explain why the weather can be unpredictable at times?

Complex atmospheric conditions encompass a set of interdependent factors that influence the weather, sometimes making forecasts inaccurate. Among these factors are atmospheric pressure, temperature, humidity, wind speed...

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Explain why water is a universal solvent.

Explain why water is a universal solvent.

Water is a molecule composed of two hydrogen atoms linked to one oxygen atom, forming a "V" shaped structure. This molecule is polar, with a...

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Can you explain why copper changes color over time?

Can you explain why copper changes color over time?

Copper is a metal that, when left exposed to ambient air, gradually begins to change color. Why? Because it naturally reacts with the oxygen present...

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